fix ft_sqrt

Makefile

@@ -12,7 +12,7 @@ _DEP	=	libft.h
 DEPS	=	$(_DEP:%.h=$(IDIR)/%.h)
 
 CFLAGS	=	-I$(IDIR)
-CFLAGS +=	-Wall -Wextra -Werror -g3
+CFLAGS +=	-Wall -Wextra -Werror -g
 
 SRCS	=	ft_memset.c \
 			ft_bzero.c \

srcs/ft_atoll_superscript.c

@@ -32,8 +32,10 @@ long long ft_atoll_superscript(const char *str)
         int digit;
         if (superscript_size == 2)
         {
-            // ² (U+00B2) or ³ (U+00B3)
-            if ((uint8_t)str[i + 1] == 0xB2)
+            // ¹ (U+00B9), ² (U+00B2), or ³ (U+00B3)
+            if ((uint8_t)str[i + 1] == 0xB9)
+                digit = 1;
+            else if ((uint8_t)str[i + 1] == 0xB2)
                 digit = 2;
             else if ((uint8_t)str[i + 1] == 0xB3)
                 digit = 3;

srcs/ft_sqrt.c

@@ -18,11 +18,11 @@ double ft_sqrt(double x, double precision)
 	{
 		prev_guess = guess;
 		guess = (guess + x / guess) / 2.0;
-	} while (prev_guess - guess > precision);
+	} while (ft_fabs(prev_guess - guess) > precision);
 	return guess;
 
 	// // binary search
-	// double low = 0
+	// double low = 0;
 	// double high = x;
 	// double mid;
 	// while (high - low > precision)